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Resveratrol
虎杖 (Hǔ Zhàng) · Polygonum cuspidatum
Famous from red wine, but the primary supplement source is actually Hu Zhang (Japanese knotweed) — a TCM herb. Studied extensively for anti-aging and cardiovascular protection.
Good For
Key Benefits
May provide antioxidant protection
Traditionally associated with healthy aging and vitality
May support cognitive function and mental clarity
Traditionally used to sharpen memory and focus
How to Take
Safety & Interactions
Possible Side Effects
- Generally well tolerated at recommended doses
- Mild digestive upset possible in sensitive individuals
Do Not Use If
- Known allergy to this plant or related species
- Consult healthcare provider if pregnant or nursing
Drug Interactions
- No major drug interactions documented at standard doses
- Inform your doctor of all supplements you take
Traditional Use
In Traditional Chinese Medicine, 虎杖 (Hǔ Zhàng) has been used for centuries. It is considered a longevity tonic — nourishing the fundamental essence (jing) and supporting the kidneys. It opens the orifices and sharpens the intellect — used traditionally for forgetfulness and mental fog.
Modern Research
Research is still emerging for this herb. Most evidence comes from animal studies, in-vitro experiments, and traditional use records. Limited clinical trial data is available. The herb shows promise but requires more rigorous human studies to confirm efficacy.
View all studies on PubMed for Polygonum cuspidatum →Where to Buy
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